A hollow sphere is rolling without slipping along flat ground when it reaches a hill with a maximum height of H above the ground. If it continues to roll without slipping up the hill, what velocity does the sphere need to have at the bottom so that it barely makes over the hill? H A$)$ r$65$ gH B$)$ r$67$ gH C$)$ r$43$ gH D$)$ p$2$gH E$)$ p$3$gHA hollow sphere is rolling without slipping along flat ground when it reaches a hill with a maximum height of H above the ground. If it continues to roll without slipping up the hill, what velocity does the sphere need to have at the bottom so that it barely makes over the hill? H A$)$ r$65$ gH B$)$ r$67$ gH C$)$ r$43$ gH D$)$ p$2$gH E$)$ p$3$gH